Fix problem with radio widget refreshing

core/modules/widgets/radio.js

@@ -117,7 +117,7 @@ RadioWidget.prototype.refresh = function(changedTiddlers) {
 	} else {
 		var refreshed = false;
 		if(changedTiddlers[this.radioTitle]) {
-			this.inputDomNode.checked = this.getValue();
+			this.inputDomNode.checked = this.getValue() === this.radioValue;
 			refreshed = true;
 		}
 		return this.refreshChildren(changedTiddlers) || refreshed;